JSFiddle - React, Tailwind, and code Playground

by chuangchen

HTML

<!doctype html>
<html lang="en">

  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
  </head>

  <body>

    <p>红色block的margin-bottom，与绿色的margin-top进行了合并</p>
    <div style="background:orange;">
      <div style="background:red;padding:2em;margin:2em">
        margin: 2em
      </div>
      <div style="background:green;padding:2em;margin:2em">
        margin: 2em
      </div>
    </div>

    <p>左右margin不会进行合并</p>
    <div style="background:purple;">
      <div style="background:red;padding:2em;margin:2em;display:inline-block;">
        margin: 2em
      </div>
      <div style="background:green;padding:2em;margin:2em;display:inline-block;">
        margin: 2em
      </div>
    </div>

    <h3
    >非相邻元素也存在折叠情况
    (父元素没有padding(top/bottom)、border(top/bottom))
    </h3>

    <div style="background:purple;">
      <div>
        <div style="background:red;padding:2em;margin:2em; ">
          margin: 2em
        </div>        
      </div>
      <div style="background:yellow;border:0px solid black;padding-left:10px;margin:1em">
        <div style="background:green;padding:1em;margin:2em; ">
          margin: 2em
        </div>
      </div>
    </div>


  </body>

</html>